Temecula Weather Forecast

    • 70
    • 92

    Mostly Sunny

    • 72
    • 96

    Mostly Sunny

    • 72
    • 98

    Hot

    • 69
    • 96

    Mostly Sunny

    • 64
    • 91

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

Today 7 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy in the morning. Becoming mostly sunny. Warmer. Highs 90 to 95. Light Winds becoming west 10 to 15 Mph in the afternoon.

Tonight 7 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 67 to 72. Areas of Winds west 10 to 15 Mph in the evening becoming light.

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Temecula Temperature Statistics

September Temperature

Murrieta/Temecula French Valley (5.6 miles)

  • Lowest 3 September, 2026

    55.6 °F

  • Average September

    70.3 °F

  • Highest 1 September, 2026

    88.7 °F

Climate (2021–2026)

Murrieta/Temecula French Valley (5.6 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    78.1 °F
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